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A train of length 100 metre crosses anot...

A train of length 100 metre crosses another train of length 150 metre, running on a parallel track in the opposite direction in 9 seconds. If the speed of train having length 150 metre is 40 km/hr, then what is the speed (in km/hr) of the other train?

A

30

B

48

C

50

D

60

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The correct Answer is:
D
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